Data Sheet

127
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
15.7 Register Summary
Table 15-5. Register Summary
Offset Name
Bit
Pos.
0x00 CTRL 7:0
0x01 SLEEP 7:0 IDLE[1:0]
0x02
...
0x07
Reserved
0x08 CPUSEL 7:0 CPUDIV[2:0]
0x09 APBASEL 7:0
APBADIV[2:0]
0x0A APBBSEL 7:0
APBBDIV[2:0]
0x0B APBCSEL 7:0
APBCDIV[2:0]
0x0C
...
0x13
Reserved
0x14
AHBMASK
7:0 USB DMAC NVMCTRL DSU HPB2 HPB1 HPB0
0x15 15:8
0x16 23:16
0x17 31:24
0x18
APBAMASK
7:0 EIC RTC WDT GCLK SYSCTRL PM PAC0
0x19 15:8
0x1A 23:16
0x1B 31:24
0x1C
APBBMASK
7:0 USB DMAC PORT NVMCTRL DSU PAC1
0x1D 15:8
0x1E 23:16
0x1F 31:24
0x20
APBCMASK
7:0 SERCOM5 SERCOM4 SERCOM3 SERCOM2 SERCOM1 SERCOM0 EVSYS PAC2
0x21 15:8 TC7 TC6 TC5 TC4 TC3 TCC2 TCC1 TCC0
0x22 23:16
AC1 I2S PTC DAC AC ADC
0x23 31:24
0x24
...
0x33
Reserved
0x34 INTENCLR 7:0 CKRDY
0x35 INTENSET 7:0
CKRDY
0x36 INTFLAG 7:0
CKRDY
0x37 Reserved
0x38 RCAUSE 7:0 SYST WDT EXT BOD33 BOD12 POR